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a&p chapter 5
tissues
| Term | Definition |
|---|---|
| Epithelial | - protect, decorate, absorb, excrete - cover body surface, cover and line internal organs, compose glands - lack blood vessels, cells readily divide, cells are tightly packed |
| connective | - bind, support, protect, fill spaces, store fat, produce blood cells - widely distributed throughout the body - mostly have good blood supply, cells are farther apart than epithelial cells, with extracellular matrix in between |
| muscle | - generate forces for movement - attached to bones, in the walls of hollow internal organs, heart - able to contract in response to specific stimuli |
| nervous | - conduct impulses for coordination, regulation, integration, and sensory reception - found in brain, spinal cord, nerves - cells communicate with each other and other body parts |
| tight junctions | - close space between cells by fusing cell membranes |
| desmosome | - bind cells by forming "spot welds" between cell membranes |
| gap junctions | - form tubular channels between cells that allow exchange of substances |
| simple squamous | - filtration, diffusion, osmosis, covers surface - air sacs of lungs, walls of capillaries, linings of blood and lymph vessels, part of the membranes lining body cavities and covering viscera |
| simple cuboidal | - protection, secretion, absorption - surface of ovaries, linings of kidney tubules, and linings of ducts of certain glands |
| simple columnar | - protection, secretion, absorption - linings of uterus, stomach, and intestines |
| pseudostratified columnar | - protection, secretion, movement or mucus and substances - linings of respiratory passages |
| stratified squamous | - protection - superficial layer of skin and linings of oral cavity, vagina, and anal canal |
| stratified cuboidal | - protection - lines of ducts of mammary glands, sweat glands, salivary glands, and pancreas |
| stratified columnar | - protection, secretion - part of the male urethra and lining of larger ducts of excretory glands |
| transitional epithelium | - stretchability, protection - inner lining of urinary bladder and lining of larger ducts of excretory glands |
| glandular epithelium | - composed of cells that produce and secrete substances into ducts or body fluids |
| endocrine glads | - secrets into tissue fluid or blood |
| exocrine glands | - secrete into ducts that open onto surface - unicellular |
| Areolar connective tissue | - proper - binds organs - beneath the skin, between muscles, beneath epithelial tissues |
| adipose connective tissue | - proper - protects, insulates, stores fat - beneath the skin, around the kidneys, behind the eyeballs, on the surface of the heart |
| reticular connective tissue | -proper -supports - walls of liver and spleen |
| dense regular connective tissue | - proper - binds body parts tendons, ligaments |
| dense irregular connective tissue | - proper - sustains tissue tension - in the deep layer of skin |
| elastic connective tissue | - proper - provides elastic quality - connecting parts of the spinal column, in walls, of arteries and airways |
| Fibroblasts | - widely distributed, large, star-shaped cells - secrete proteins that become fibers |
| macrophages | -motile cells sometimes attached to fibers - clear foreign particles from tissues by phagocytosis |
| mast cells | - large cells, usually located near blood vessels - release substances that may help prevent blood clotting (heparin) and promote inflammation (histamine) |
| cartilage | - rigid, specialized connective tissue - support, framework, attachments - protection of underlying tissue |
| hyaline cartilage | - specialized connective tissue - supports, protects, provides framework - ends of bones, nose, and rings in walls of respiratory passages |
| elastic cartilage | -specialized connective tissue -supports, protects, provides flexible framework - framework of external ear and part of larynx |
| fibrocartilage | -specialized connective tissue - supports, protects, absorbs shock - between bony parts of spinal column, parts of pelvic girdle, and knee |
| bone | -specialized connective tissue - supports, protects, provides framework - bones of Skelton, middle ear |
| blood | -specialized connective tissue - transports gases, defends against disease, clotting - throughout the body in a closed system of blood vessels and heart chambers |
| skeletal muscle tissue | - long, threadlike cells, started, many nuclei - voluntary movements of skeletal parts - muscles usually attached to bones |
| smooth muscle tissue | - shorter cells, single central nucleus - involuntary movements of internal organs - walls of hollow internal organs |
| cardiac muscle tisse | - branched cells, striated, single nucleus - heart movements - heart muscle |
| nervous tissue (neurons) | - cells with cytoplasmic extensions - sensory reception, release of neurotransmitter, and conduction of electrical impulses - brain, spinal cord, and peripheral nerves |
| neuroglia | - a diverse class of cells that provide developmental, physiological, and metabolic support for neurons |
Created by:
quinnbrown
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